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प्रश्न
Divide the following reactions into oxidation and reduction half-reaction:
Cl2 + 2Br- → Br2 + 2Cl-
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उत्तर
Cl2 + 2Br- → Br2 + 2Cl-
Cl2→ 2Cl- + 2 e- ---- Oxidation
2Br‒ + 2 e → Br2---- Reduction
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संबंधित प्रश्न
Define redox reaction.
How would you change a metal like Cu into its ions?
State whether the following conversion is oxidation or reduction:
Cu2+ + 2 e-→ Cu
Identify the following reactions as oxidation or reduction
- Na → Na+ + e
- Fe3+ + 2 e- → Fe+
In the reaction of iron with copper sulphate solution:
CuSO4 + Fe → Cu + FeSO4
Which option in the given table correctly represents the substance oxidized and the reducing agent?
| OPTION | Substance Oxidized | Reducing Agent |
| A | Fe | Fe |
| B | Fe | FeSO4 |
| C | Cu | Fe |
| D | CuSO4 | Fe |
Identify the reducing agent in the following reactions -
`"H"_2"O" + "F"_2 -> "HF" + "HOF"`
Identify the oxidising agent (oxidant) in the following reactions
`3"Fe" + 4"H"_2"O" -> "Fe"_3"O"_4 + 4"H"_2`
The tendency of atoms to have eight electrons in the outer shell is known as ______.
Identify the following reactions as oxidation/reduction/redox reaction
CuO+H2 → Cu+H2O
A reddish brown metal used in electrical wires when powdered and heated strongly turns black. When hydrogen gas is passed over this black substance, it regains its original colour. Based on this information answer the following questions:
- Name the metal and the black substance formed.
- Write balanced chemical equations for the two reactions involved in the above information
